Paper Information

Journal:   JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY   2006 , Volume - , Number 3 (38); Page(s) 42 To 48.
 
Paper: 

CONSIDERATION AND STUDY OF INDIRECT METHOD FOR DETERMINATION OF THE PERCENTAGE OF POROSITY WITH UTILIZING VARIETY OF DENSITIES IN THE STRUCTURE OF GRAPHITE

 
 
Author(s):  AHARI HASHEMI F.*, FATOUREHCHIAN S.
 
* NUCLEAR SCIENCE RESEARCH SCHOOL, AEOI, TEHRAN, IRAN
 
Abstract: 

Density has an important role in determining the variation limit of the physical properties of graphite. The density of the graphite is inversely proportional to its porosity. The porosity is produced in the structure of graphite due to the escape of volatile from the raw materials through thermal treatment during the fabrication process. There are direct and indirect methods for the measurement of porosity in the structure of graphite. Mercury and gas porosimetry are considered as direct methods, whereas the indirect method is based on bulk and picnometry density measurements. In this research work, by the use of different types of density, the pore production in the fabricated graphite has been determined.

 
Keyword(s): GRAPHITE, POROSITY, DENSITY, MERCURY POROSIMETRY, GAS POROSIMETRY
 
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